 |
 |
 |
 |
| Elko EP | Eaton/Möeller | Schneider-Electric | Legrand |
 |
 |
 |
 |
| Siemens | Finder | Omron | Ganz |
 |
 |
 |
 |
| Rittal | Weidmüller | Haupa | Cellpack |
 |
 |
 |
 |
| Philips | Osram | Sylvania | General Electric |
 |
 |
 |
 |
| Wago | ContaClip | CanalPlast | Kopos Kolin |
